42

 

 

SIG

 

 

(TO CH 1

FREQ

FREQ

METER DRIVE)

OUTPUT

APPLICATION

SWITCH

TO CH 1

MUTE

CH 1

PROTECT

LEDFUSE +80VDC

CH 1

CH 1

SHORT

LED

SHORT

DETECT

DC OFFSET

DETECT

BLOCK DIAGRAM

M•1200/M•1400

OL –3

METER –6

DRIVE –9

–20

SIG

CH 1

SIG

CH 1

BALANCED LINE INPUT (XLR-F)

THRU

(XLR-M)

CH 1

BALANCED LINE INPUT (TRS)

CH 2

BALANCED LINE INPUT (XLR-F)

LOW CUT

CD EQ

 

FILTER

 

 

 

ON

FREQ

 

 

63 Hz

 

OFF

125 Hz

 

 

 

 

LOW PASS

 

 

FILTER

 

 

(SUBWOOFER)

FREQ

FREQ

 

LOW CUT

CD EQ

SIG

ON

OFF

SUB

TO

LIMITER

NC

NC

ON

OFF

SUB

GAIN

 

 

LIMITER

INVERTING

 

UNITY GAIN

 

AMPLIFIER

 

 

AMP

STEREO

MODE

SWITCH

MONO

 

NC BRIDGE

 

CH 2

 

GAIN

 

 

LIMITER

MUTE

POWER

AMPLIFIER

 

 

FUSE

CH 1

–80VDC

MUTE

 

 

TO CH 2

 

MUTE

CH 2

 

PROTECT

FUSE

LED

 

+80VDC

MUTE

POWER

AMPLIFIER

 

 

FUSE

CH 2

SHORT

LED

SHORT

DETECT

DC OFFSET

DETECT

CH 1

SPEAKER

OUT

OL –3

METER –6

DRIVE –9

–20

SIG

CH 2

SIG

CH 2

SPEAKER

OUT

THRU

(XLR-M)

CH 2

BALANCED LINE INPUT (TRS)

MACKIE DESIGNS M•1200/M•1400

BLOCK DIAGRAM (#110896DF)

FILTER

 

(TO CH 2

 

ON

METER DRIVE)

 

 

PD's LEASH

 

OFF

 

FUSE

POWER

TOROIDAL POWER

SWITCH

TRANSFORMER

 

LAMP

+

 

80 VDC

 

 

 

TO CH 1

 

 

AND CH 2

THERMAL

 

MUTE

PROTECT

TEMP

SENSOR

(ON HEATSINK)

+

90VDC

 

 

CH 2

–80VDC

 

 

MUTE

 

HOT

 

60ºC

 

LED

 

 

80ºC MUTE

 

DETECTOR

FAN

TO CH 1

 

55ºC UNMUTE

 

 

AND CH 2

 

SPEED

 

MUTE

CH 1 MUTE

CONTROL

COLD

 

 

LED

 

CH 2 MUTE

 

 

CH 1 AMP OUT

 

HI DCV

 

CH 2 AMP OUT

 

 

 

 

 

 

 

LO DCV

FAN

TO HUSKY

STADIUM

Page 42
Image 42
Mackie M1200/M1400 owner manual Freq

M1200/M1400 specifications

The Mackie M1200 and M1400 are two prominent power amplifiers that have gained recognition for their reliability, performance, and innovative design in the professional audio field. Engineered for both live sound and studio applications, these amplifiers deliver exceptional sound quality and unmatched power, making them a favorite among audio professionals.

One of the standout features of the M1200 and M1400 is their impressive power output. The M1200 boasts a power output of 1200 watts at 4 ohms, while the M1400 takes it a step further with 1400 watts at 4 ohms. This substantial power allows users to drive a wide range of speakers, making them suitable for various settings, from small clubs to large venues and outdoor events. Furthermore, they excel in providing clean, distortion-free sound even at high volumes.

Both models incorporate Mackie's patented Smart Protect DSP technology. This intelligent thermal and signal protection system helps prevent overheating and ensures that the amplifiers operate within safe limits, enhancing longevity and reliability. The DSP also contributes to superior sound quality, maintaining clarity and detail across different frequency ranges.

Another key feature of the M1200 and M1400 is their rugged construction. Designed for the rigors of touring and live performances, these amplifiers feature a sturdy chassis that withstands the challenges of transport and heavy use. Their efficient heatsink design allows for effective cooling, ensuring the amplifiers remain operational even under demanding conditions.

In terms of connectivity, both models are versatile. They offer XLR and TRS inputs, allowing compatibility with a variety of audio sources. The outputs include Neutrik Speakon connections, providing secure and reliable speaker connections. Additionally, the amplifiers have built-in limiters that help to prevent speaker damage by controlling signal levels.

The user-friendly interface of the M1200 and M1400 includes level control knobs, LED indicators for power and signal, and a comprehensive set of output options. This simplicity ensures that audio engineers can quickly adjust settings to cater to specific acoustic environments, making setup and operation seamless.

In conclusion, the Mackie M1200 and M1400 power amplifiers are remarkable for their powerful performance, durability, and advanced technology. Whether for live sound reinforcement or studio applications, these amplifiers continue to set a standard in audio excellence, proving their worth to sound engineers worldwide.